ryan owens, abc news, dallas. >> just incredible pictures tonight. ryan owens, thank you. >>> and that dense fog causing such terror in texas has been a problem in other parts of the country. in the midwest, a similar challenge and this really struck us. in chicago, the fog so thick, only the tips of the skyscrapers could be seen piercing through it. so, tonight here, abc meteorologist ginger zee on that system still causing problems tonight. >> reporter: blinding fog from farms in duluth, minnesota, to backyards in st. louis. it's made for a hazardous start to holiday travel from minnesota to ohio to texas. all this fog, because of unseasonably warm temperatures passing over cold land. and there isn't a whole lot of wind to mix it together. that warm air means some of chicago's skating rinks won't open as planned, even though the cold settles in tomorrow for them. but in much of the east, it was parade perfection. >> buzz lightyear from "toy story." >> reporter: from the blue skies at macy's annual in new york city to families fun in the sun in phil